protected void LoadStreamThing(ContentStreamViewer viewer, IThingGraph graph, IStreamThing thing)
{
try {
viewer.IsStreamOwner = IsStreamOwner;
if (viewer.ContentId != thing.Id)
{
SaveStream(graph, viewer);
var content = graph.ContentOf(thing);
if (viewer is SheetViewer)
{
content.Source = thing.Id;
}
if (viewer is HtmlContentViewer)
{
var htmlViewr = (HtmlContentViewer)viewer;
htmlViewr.ContentThing = thing;
htmlViewr.ThingGraph = graph;
}
viewer.SetContent(content);
viewer.ContentId = thing.Id;
}
} catch (Exception ex) {
ExceptionHandler.Catch(ex, MessageType.OK);
} finally {
thing.ClearRealSubject(!IsStreamOwner);
}
}
public virtual WebContent GetContentFromThing(IThingGraph graph, IThing thing)
{
var info = graph.ContentOf(thing);
var uri = GetUri(thing);
return(GetContentFromContent(info, uri));
}
public IEnumerable <Content <Stream> > PageStreams(IThingGraph graph, IThing document)
{
if (graph == null || document == null)
{
return(new Content <Stream> [0]);
}
return(Pages(graph, document)
.Where(page => page is IStreamThing)
.Select(page => graph.ContentOf(page)));
}
protected virtual bool DisplaySheet(IGraphSceneDisplay <IVisual, IVisualEdge> display, IThing thing, IThingGraph thingGraph)
{
var streamThing = thing as IStreamThing;
try {
if (streamThing != null && streamThing.StreamType == ContentTypes.LimadaSheet)
{
var content = thingGraph.ContentOf(streamThing);
content.Source = streamThing.Id;
DisplaySheet(display, content);
return(true);
}
} catch (Exception e) {
Trace.WriteLine("Error on displaying sheet {0}", e.Message);
Debug.WriteLine(e.StackTrace);
}
return(false);
}
